West Bengal Pollution Control Board |
Central Laboratory |
Paribesh Bhawan, 10A, Block LA, Sector III, Salt Lake City, Kolkata 700 106. (033) 2335-5953 |
| Station: TANGRA, CALCUTTA ,WEST BENGAL | River Basin: GANGA | CPCB Station Code: 1773 |
| Sample Date: 05/04/2019 | Sample Time: 14:45 | |
| Human Activities: Drinking & Domestic | Weather: Sunny | Water Body: Ground Water at Tangra |
| Frequency Of Monitoring: Halfyearly | Use Based Class: A | Approximate Depth(Bottom/Table): 0.00 m |
| Color & Intensity: Clear | Odour: Nil | Visible effluent discharge: Nil |
| Water Quality | ||
|---|---|---|
| Parameter | Test Result | Unit |
| Ammonia-N | BDL | mg/l |
| Arsenic | BDL | µg/l |
| Turbidity | 86.6 | NTU |
| Total Kjeldahl Nitrogen(TKN) | mg/l | |
| Fecal Coliform | 110 | MPN/100ml |
| Nitrate-N | 0.12 | mg/l |
| pH | 7.59 | Unit |
| Temperature | 29 | ⁰C |
| Total Coliform | 220 | MPN/100ml |
| Boron | BDL | mg/l |
| Calcium | 109.23 | mg/l |
| Copper | BDL | µg/l |
| Iron | 1.08 | mg/l |
| Mercury | BDL | µg/l |
| Nickel | BDL | µg/l |
| Zinc | BDL | µg/l |
| a-BHC | BDL | ppb |
| Aldrin | NT | ppb |
| Anilophos | BDL | ppb |
| b-Endosulphan | BDL | ppb |
| Chlorpyriphos | NT | ppb |
| Dieldrin | BDL | ppb |
| g-BHC | BDL | ppb |
| Malathion | BDL | ppb |
| Methyl Parathion | BDL | ppb |
| o,p-DDT | NT | ppb |
| p,p-DDT | BDL | ppb |
| Phosphate-P | BDL | mg/l |
| BOD | 0.6 | mg/l |
| Conductivity | 2154.0 | µs/cm |
| Lead | BDL | µg/l |
| a-Endosulphan | BDL | ppb |
| Chloride | 424.87 | mg/l |
| Chromium Total | BDL | µg/l |
| Total Suspended Solids(TSS) | 12.0 | mg/l |
| COD | 2.86 | mg/l |
| Fluoride | 0.39 | mg/l |
| Magnesium | 60.75 | mg/l |
| Phenolpthalein Alkanity | 0 | mg/l |
| Potassium | 4.09 | mg/l |
| Sodium | 131.48 | mg/l |
| Sulphate | 27.61 | mg/l |
| Total Alkalinity | 370.0 | mg/l |
| Total Fixed Solids(TFS) | 914.0 | mg/l |
| Total Hardness as CaCo3 | 673.08 | mg/l |
| Cadmium | BDL | µg/l |
| Total Dissolved Solids(TDS) | 1444.0 | mg/l |